11203634056 has 16 divisors (see below), whose sum is σ = 21029988240. Its totient is φ = 5595637200.

The previous prime is 11203634051. The next prime is 11203634063. The reversal of 11203634056 is 65043630211.

11203634056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11203634056² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11203634051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764770 + ... + 779281.

It is an arithmetic number, because the mean of its divisors is an integer number (1314374265).

Almost surely, 2^11203634056 is an apocalyptic number.

It is an amenable number.

11203634056 is a deficient number, since it is larger than the sum of its proper divisors (9826354184).

11203634056 is a wasteful number, since it uses less digits than its factorization.

11203634056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544964 (or 1544960 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 11203634056 in words is "eleven billion, two hundred three million, six hundred thirty-four thousand, fifty-six".